JPH01136585U - - Google Patents
Info
- Publication number
- JPH01136585U JPH01136585U JP2191288U JP2191288U JPH01136585U JP H01136585 U JPH01136585 U JP H01136585U JP 2191288 U JP2191288 U JP 2191288U JP 2191288 U JP2191288 U JP 2191288U JP H01136585 U JPH01136585 U JP H01136585U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- wellhead
- guide pins
- body frame
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2191288U JPH0613897Y2 (ja) | 1988-02-23 | 1988-02-23 | 水中保守点検装置による坑口装置カバー開閉装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2191288U JPH0613897Y2 (ja) | 1988-02-23 | 1988-02-23 | 水中保守点検装置による坑口装置カバー開閉装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01136585U true JPH01136585U (en]) | 1989-09-19 |
| JPH0613897Y2 JPH0613897Y2 (ja) | 1994-04-13 |
Family
ID=31239560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2191288U Expired - Lifetime JPH0613897Y2 (ja) | 1988-02-23 | 1988-02-23 | 水中保守点検装置による坑口装置カバー開閉装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0613897Y2 (en]) |
-
1988
- 1988-02-23 JP JP2191288U patent/JPH0613897Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0613897Y2 (ja) | 1994-04-13 |